f04329e93b
acoshf, asinhf, atanhf were added from musl. mathsincos.c was split up into its original, separate files (from newlibe-nano-2). tan was added. All of the important missing float functions are now implemented, and pyboard now passes tests/float/math_fun.py (finally!).
This directory contains standard, low-level C libraries with emphasis on being independent and efficient. They can be used by any port.